FR920046A - Perfectionnements aux haut-parleurs - Google Patents
Perfectionnements aux haut-parleursInfo
- Publication number
- FR920046A FR920046A FR920046DA FR920046A FR 920046 A FR920046 A FR 920046A FR 920046D A FR920046D A FR 920046DA FR 920046 A FR920046 A FR 920046A
- Authority
- FR
- France
- Prior art keywords
- enhancements
- loudspeaker
- loudspeaker enhancements
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired
Links
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
- H04R7/00—Diaphragms for electromechanical transducers; Cones
- H04R7/02—Diaphragms for electromechanical transducers; Cones characterised by the construction
- H04R7/12—Non-planar diaphragms or cones
- H04R7/122—Non-planar diaphragms or cones comprising a plurality of sections or layers
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
- H04R1/00—Details of transducers, loudspeakers or microphones
- H04R1/20—Arrangements for obtaining desired frequency or directional characteristics
- H04R1/32—Arrangements for obtaining desired frequency or directional characteristics for obtaining desired directional characteristic only
- H04R1/34—Arrangements for obtaining desired frequency or directional characteristics for obtaining desired directional characteristic only by using a single transducer with sound reflecting, diffracting, directing or guiding means
- H04R1/345—Arrangements for obtaining desired frequency or directional characteristics for obtaining desired directional characteristic only by using a single transducer with sound reflecting, diffracting, directing or guiding means for loudspeakers
Landscapes
- Engineering & Computer Science (AREA)
- Health & Medical Sciences (AREA)
- Otolaryngology (AREA)
- Physics & Mathematics (AREA)
- Acoustics & Sound (AREA)
- Signal Processing (AREA)
- Multimedia (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR920046T | 1946-01-15 |
Publications (1)
Publication Number | Publication Date |
---|---|
FR920046A true FR920046A (fr) | 1947-03-25 |
Family
ID=9425719
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR920046D Expired FR920046A (fr) | 1946-01-15 | 1946-01-15 | Perfectionnements aux haut-parleurs |
Country Status (1)
Country | Link |
---|---|
FR (1) | FR920046A (fr) |
-
1946
- 1946-01-15 FR FR920046D patent/FR920046A/fr not_active Expired
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